AquaMax Posted August 25, 2008 Report Share Posted August 25, 2008 Hi, Can anybody from around he Marlborough region tell me what type of rock it is that makes up the Wairau river bed? Quote Link to comment Share on other sites More sharing options...
Caryl Posted August 26, 2008 Report Share Posted August 26, 2008 Ones that are perfectly safe to put in your aquarium Quote Link to comment Share on other sites More sharing options...
aquanaut Posted August 26, 2008 Report Share Posted August 26, 2008 Are they just your standard looking grey rocks like greywacke? Quote Link to comment Share on other sites More sharing options...
Cheesejawa Posted August 26, 2008 Report Share Posted August 26, 2008 No rocks are actually unsafe for aquariums, some just raise ph. try pouring vineger over them before using, if they fizz they will raise ph. simple as that. Quote Link to comment Share on other sites More sharing options...
Caryl Posted August 26, 2008 Report Share Posted August 26, 2008 Not greywacke, can't remember what it is though Quote Link to comment Share on other sites More sharing options...
AquaMax Posted August 26, 2008 Author Report Share Posted August 26, 2008 Cool, thanks all I did want to know if they were suitable for an aquarium...I was just going about it the hard way lol :oops: They are pretty plain looking but thats just what im after. Quote Link to comment Share on other sites More sharing options...
Caryl Posted August 26, 2008 Report Share Posted August 26, 2008 They are good too as they have rounded edges with no sharp bits for fish to catch themselves on. Perhaps you would like to join the Marlborough Aquarium Club at their next meeting? Quote Link to comment Share on other sites More sharing options...
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